Answer:
Symbol Z A No. of protons No. of Electrons No. of Neutrons Name of the element F 8 16 8 8 8 Oxygen A 18 40 18 18 22 Argon I 13 27 13 13 14 Aluminium T 12 24 12 12 12 Magnesium H 20 40 20 20 20 Calcium
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